Finding the Fourth Proportional to 276,035.04, 414,052.11 and 86,509.98
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Solution
The fourth proportional to 276,035.04, 414,052.11 and 86,509.98 is: 129,764.83
Step by Step Solution
- Step 1: Write the proportion equation
276,035.04 : 414,052.11 = 86,509.98 : x - Step 2: Convert to fraction form
276,035.04/414,052.11 = 86,509.98/x - Step 3: Cross multiply
276,035.04x = 414,052.11 × 86,509.98 - Step 4: Simplify right side
276,035.04x = 35,819,639,755.06 - Step 5: Solve for x
x = 35,819,639,755.06/276,035.04 - Step 6: Final answer
x = 129,764.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.